September 2016
Part No. 227123
GRC
TABLE OF CONTENTS
Section 4
Rev
Repair Procedures
Introduction .................................................................................................. 4 - 1
A
Platform Controls
1-1
Circuit Board ...................................................................................... 4 - 3
1-2
Joystick .............................................................................................. 4 - 4
1-3
Platform Controls Alarm ..................................................................... 4 - 4
1-4
Platform Emergency Stop Button ....................................................... 4 - 5
A
Ground Controls
2-1
Software Revision Level ..................................................................... 4 - 7
2-2
Machine Setup ................................................................................... 4 - 8
2-3
Level Sensor ...................................................................................... 4 - 9
A
Hydraulic Pump
3-1
Function Pump ................................................................................. 4 - 12
A
Function Manifold
4-1
Function Manifold Components ........................................................ 4 - 14
4-2
Valve Adjustments - Function Manifold ............................................ 4 - 16
4-3
Valve Coils ....................................................................................... 4 - 20
A
Brake Release Hand Pump Components
5-1
Brake Release Hand Pump Components ......................................... 4 - 22
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